Day: December 19, 2008

Influenza Deaths

“There are known knowns. These are things we know that we know. There are known unknowns. That is to say, there are things that we know we don’t know. But there are also unknown unknowns. There are things we don’t know we don’t know.”- Donald Rumsfeld How do we know what we know? It is said by some anti-vaccine proponents that vaccines...

/ December 19, 2008